9. Si 0.002 kg de hierro se introducen en una probeta de 10mL de agua, la densidad del hierro es de 7.86 g/ml..
A) ¿cuál será el volumen desplazado por el metal?
Datos:
Fórmula:
Resultado:
B) ¿cuál es el volumen final en la probeta?

The identities of substances are the same before and after which type of change

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa